Refrigerator



FIG. 1 is a perspective view of a refrigerator showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof where the right side view is a mirror image;

FIG. 5 is a top plan view thereof where the bottom plan view is a mirror image; and,

FIG. 6 is a cross-sectional view taken along line 6-6 from FIG. 2.

The broken lines shown in the drawings represent unclaimed portions of the refrigerator and form no part of the claimed design. 

CLAIM The ornamental design for a refrigerator, as shown and described. 